| St. Xavier's College, Mumbai | Maharashtra |
| St. Xavier's College, Palayamkottai | |
| St. Xavier's College, Ranchi | Jharkhand |
| St. Xavier's University, Kolkata | |
| St.Joesph’s College of Arts and Sciences for Women | |
| St.Peters Engineering College | |
| STABLX | |
| Stack-dev | |
| StackAsian | |
| Stackgeeks | Chandigarh |
| Stackmod Innovations Pvt Ltd | |
| StackNyu | |
| StacX Talent | |
| StacX24 | |
| STAENZ Education Pvt Ltd | |
| Staff Outsourcing India | |
| STAG Software Pvt Ltd | Karnataka |
| Stakque Digital | |
| Stallion Global | Gujarat |
| Stallioni | |
| STALLIONi Net Solutions | |
| Stancord Consultancy Services Pvt Ltd | |
| Standard Fireworks Rajaratnam College | |
| Standardisation Testing and Quality Certification Directorate | Delhi |
| StandardWings Technologies Pvt Ltd | |
| Stani Memorial College of Engineering and Technology | |
| Stani Memorial P.G. College Jaipur | |
| Stanley College of Engineering and Technology for Women | |
| Stanza Living | |
| Staqo | Uttar Pradesh |
| STAQwise Solutions Pvt Ltd | Maharashtra |
| Star Techies | |
| Star Web Maker | |
| Starex University, Gurugram | |
| Starfii Technology Pvt Ltd | |
| Starhead Digital, LLP | |
| Stark Digital Media Services Pvt Ltd | Maharashtra |
| Stark Web Technologies | |
| Starkedge | |
| Starland IT Solution | |
| Starline Infotech | |
| Starsoft Technology | |
| Start Designs | Rajasthan |
| Start-Up Hyderabad | Telangana |
| Startabove | Maharashtra |
| Startbit IT Solutions Pvt Ltd | |
| Startelelogic | Uttar Pradesh |
| StartinUP | |
| Startiyo | |
| Starttopia | Karnataka |